What is the construction and purpose of automotive electrical systems?

Automotive electrical systems are a set of components responsible for starting, charging, powering consumers, and controlling vehicle electronics. They include, among others, the battery, alternator, starter, fuses, relays, controllers, and wiring harnesses. These components are located in different parts of the car and work together through connectors and signal buses.

What are automotive electrical systems used for?

Automotive electrical systems are used to supply energy and transmit control signals to vehicle components. Thanks to them, it is possible to start the engine, charge the battery, and operate lights, windows, air conditioning, and safety systems. A fault in one circuit can affect not only comfort but also the correct operation of other modules.

What role does the wiring harness play in a car?

The wiring harness is an organized set of wires, covers, and connectors that connects individual consumers and controllers in the vehicle. It is used to transmit power, ground, and signals between modules. Its construction depends on the body version, equipment, and mounting location, so when replacing it, you must compare the wire routing, plug type, and number of pins.

How to choose an electrical part for a specific car?

The safest way is to compare the OEM number, manufacturer number, connector type, and mounting location. It is also worth considering the engine version, year of manufacture, body type, and equipment, as the same model may have different variants of the alternator, starter, or controller. In practice, verification by VIN is very helpful.

What symptoms indicate a problem with the electrical system?

Typical signals include difficulty starting, flashing warning lights, dimming lights, unstable charging, or the failure of selected consumers. In some cases, controller errors, air conditioning malfunctions, or periodic power outages also occur. Symptoms must always be linked to a specific circuit and cooperating component.

How to take care of automotive electrical systems in daily use?

The basis is regular inspection of the battery condition, terminals, ground wires, and charging. It is also good to check the tightness of housings, the condition of harness insulation, and the cleanliness of contacts exposed to moisture. A quick reaction to the first symptoms of voltage drops or electronic errors makes it easier to avoid a major failure.

Automotive electrical systems

At Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

More information

Find it faster

Match to your vehicle

Make

Mercedes W205 Air Conditioning Control Module A/C ECU Unit A2059004013

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BJ32-14D617-AD

Land Rover Discovery 4 L319 Door Module Front Passenger Side BJ32-14D617-AD

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0971095

Audi A4 B8 Front Bumper PDC Wiring Park Assist Sensor Harness 8K0971095

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8E0907273

Audi A4 S4 RS4 8H 8E B7 Tyre Pressure Control Unit Module 8E0907273

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7521582

BMW E46 E83 E85 Engine Electronics Unit Box Cover Trim 7521582

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. DS73-14E073-BH

Ford Mondeo Mk4 Door Interior Light Wiring Harness Front Left N/S BS71-13A602-BD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. R8E2-14D619-AA

Range Rover Evoque L551 Rear Door Control Unit ECU Passenger Side R8E2-14D619-AA

€104.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9297613

BMW F12 Front Seat Wiring Loom Harness Cable Right O/S Side 9297613

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4F0959792B

Audi A6 C6 Front Door Control Module Unit ECU Passenger's Side 4F0959792B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X0971679C

Audi A1 8X Dash Panel Glove Box Light Wiring Harness Cable Loom 8X0971679C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129060205

SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129060205

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2044402607

Earth Ground Cable Mercedes W204 W207 Battery Wiring Loom Engine A2044402607

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8591073-14

BMW F45 Engine Control Unit ECU 115HP 1.5 Diesel 216d B37 B37C15A 8591073 Manual

€474.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4H0951253-1

Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit Set 4H0951253

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0907392

Audi A6 A7 Control Module Bracket Holder Mount Carrier 4G0907392

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 575035816A

Seat Ibiza Mk5 KJ1 Multimedia Radio CD Player Head Unit 575035816A

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR073579-1

Land Rover Discovery Sport L550 Battery Cable Positive Terminal GK72-14A280-EB

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CADDY-2C-SCREEN

VW Caddy 2C Dashboard Display Screen Radio Multimedia Head Unit

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A9105400805

Mercedes Sprinter W910 Fuel Tank Wiring Loom Cable Harness A9105400805

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P5035481H

Porsche Cayenne S 92A Subwoofer Bose Speaker Loudspeaker 7P5035481H

€203.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 0AH911023B

Volkswagen Caddy 2k Engine Starter 2.0KW Bosch 2.0 Diesel BST 0AH911023B

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4E0941286G

Audi S8 D3 Front Headlight Level Control Sensor Right O/S 4E0941286G

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8H52-14C708-AB

Range Rover Sport L320 Front Seat Control Unit Module ECU 8H52-14C708-AB

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. WR09-C01-AA

Land Rover Discovery L550 Sunroof Sliding Roof Drive Motor Actuator WR09-C01-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4H0973713C-1

Audi A3 8V A5 F5 A6 C8 Engine Repair Plug Wiring Loom Cable Harness 4H0973713C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0009058912

Mercedes W205 W213 C253 Battery Cable Negative Lead Wiring Harness A0009058912

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1321501579

Smart Fortwo 451 M132 71HP Engine Control Module Unit ECU A1321501579 Automatic

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X0971035BK

Audi A1 8X Front Door Loom Wiring Harness Cable Driver's Side O/S 8X0971035BK

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9323619

Mini F56 Head-Up Display Unit HUD Screen 9323619

€146.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BH22-18808AC

Land Rover Range Rover Sport L320 Door Speaker Tweeter Module Unit BH22-18808-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3Q0959435B

Audi TT FV Entry Keyless Kessy Control Module Unit ECU 3Q0959435B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2059007521

Module Mercedes W205 Air Conditioning A/C System Control Module A2059007521

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055455400

Mercedes W205 Battery Power Connection Wiring Bar Rail Busbar A2055455400

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2661536779-1

Mercedes W245 M266.920 95HP Engine Control Module Kit A2661536779 Automatic

€127.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8T0945095H-2

Audi A5 8T Rear Tail Light Lamp Wiring Harness Cable Plug Left N/S 8T0945095H

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8633997

Ground Line BMW G11 G12 G20 G30 G31 Battery Earth Cable Wire 8633997

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A7899061600

Mercedes W205 Converter Unit Module Control ECU DCDC48V A7899061600

€232.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. HK62-14B518-EB

Range Rover Sport L494 Door Wiring Loom Harness Rear Right O/S HK62-14B518-EB

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6840409

BMW F45 F46 Mini F54 F55 F56 Navigation Headunit Head Unit Basic Media 6840409

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9262871

BMW F01 Front Door Wiring Loom Cable Harness 9262871

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9651709980D

Ford Galaxy Mk2 Glow Plug Wiring Loom 2.0 TDCi Diesel 9651709980D

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6G9T-14A067-AB-1

Land Range Rover Sport L550 Fuse Box Cover Bracket Housing 6G9T-14A067-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055405626-1

Mercedes C Class W205 C350e Hybrid Battery Wiring Loom A2055405626

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A9069820109-1

Mercedes W907 Positive Battery Terminal Cover Cap Trim Red A9069820109

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9882602

Gearbox Cable BMW F90 M5 F91 M8 Engine Wiring Automatic Transmission 9882602

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8L0906018N

Audi A3 8L Engine ECU Kit Key APY 1.8 Petrol Quattro 210HP 8L0906018N Manual

€360.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9136612

BMW X6 E71 Front PDC Parking Sensor Wiring Loom Harness Cable 9136612

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 982971035G

Porsche 718 Boxster 982 Cayman Door Wiring Harness Driver Side O/S 982971035G

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9426359

BMW G20 High Voltage Cable Harness Loom Wire Wiring EDH Hybrid 330e B48X 9426359

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1175402601

Mercedes C117 Parking Sensor Wiring Rear Bumper Parktronic Loom Cable Harness

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. EM5T-18B955-BD

Ford Transit Connect Tourneo Dashboard Head Unit Display Screen EM5T-18B955-BD

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 99764514003

Porsche Cayenne 955 9PA Changer 4-Disc Multichanger CD DVD 99764514003

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6932452-1

BMW E60 E61 E63 E64 Power Distribution Electrical Fuse Box 6932452

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8974120151

Toyota Celica Mk7 T23 Door Lock Control Receiver Module Unit 8974120151

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AV1T-18812-EB

Ford B-Max Roof Antenna Wiring Harness Cable AV1T-18812-EB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CX23-14D374-AE

Jaguar XF X250 Air Module Control Unit ECU Controller CX23-14D374-AE

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CPLA-19H397-AF

Range Rover Sport L494 Tow Bar Trailer Hitch Control Unit Module CPLA-19H397-AF

€104.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 80C919616

Audi Q5 FY Multimedia Volume Control Button Switch Knob Head Unit 80C919616

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1806681

Ford Fiesta Mk7 Engine Control Module ECU Bracket Mount Holder CV21-12A692-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6395432327

Mercedes Vito Viano W639 Interior Wiring Loom Harness Adapter A6395432327

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8E0857925H

Audi A3 8P TT 8J A4 B7 Ipod Interface Multimedia Storage Compartment 8E0857925B

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CF6N-18C815-HB

Range Rover Evoque L538 Radio CD Player Sat Nav Head Unit CF6N-18C815-HB

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3508099

BMW X3 SERIES E83 Wiring Loom Harness Passenger Side 3508099

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6838829

BMW F30 Harman Becker Amplifier Module Active Sound Control Unit 6838829

€123.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0065424220

Mercedes W164 W251 High Tone Horn Signal Right O/S A0065424220

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3405815

BMW X3 Series E83 E83N Inclination Indicator Alarm System 65753405815 3405815

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CPLA-14F720-BP

Range Rover Discovery 4 L319 DAB Radio Control Module ECU CPLA-14F720-BP

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9387266

FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266

€132.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8F0971029BD

Audi A5 8F Front Door Wiring Loom Harness Cable Driver's Side 8F0971029BD

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GH22-12C520-PAC

Land Rover Discovery 4 L319 3.0 306DT 256HP Engine ECU GH22-12C520-PAC Automatic

€431.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4M0959592N

Audi Q7 4M Front Door Module Control Unit ECU Passenger Side 4M0959592N

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. M8A2-12A659-BC

Land Rover Range Rover Velar L560 Engine Control Unit ECU Bracket M8A2-12A659-BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7C0971157K

VW Volkswagen Crafter Sy Starter Alternator Loom Harness Wire Cable 7C0971157K

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1679009611

Mercedes W205 W213 X253 Door Module Rear Right O/S Control Unit ECU A1679009611

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9117833

Mini Cooper F55 F56 F57 IBS Negative Battery Lead Cable Wiring 9381445

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1685405008

Mercedes A-Class W168 Door Cable Harness Wiring Loom Front Right A1685405008

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06E903016N-1

Audi A4 B8 A5 8T Alternator Generator 140A 14V 3.2 FSI Petrol Engine 06E903016N

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. VIBE-654

VIBE 65.4 Powerbox Micro Class D Amplifier Stereo Car Audio Booster 520W

€165.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5F0945093M-2

Seat Leon Mk3 5F Tail Light Lamp Inner Rear Left N/S Wire Harness 5F0945093M

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8518166

BMW E82 E88 E93 120d 320d N47 177HP Engine Control Unit ECU DDE 8518166 Manual

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8R0941030M-2

Audi Q5 8R Headlight Headlamp Lamp Light Wiring Cable Front Right O/S 8R0941030M

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9267517

BMW X3 F25 X4 F26 Central Gateway Module Control Unit Lear 9267517

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129001806

Mercedes A207 C207 SAM Control Unit Module Fuse Box Rear A2129001806

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0907347

Audi A6 C7 A7 Voltage Stabilaser Control Module Bracket Mount Carrier 4G0907347

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0971659B

Audi A4 B9 Dashboard Air Vent Wiring Loom Harnes Cable Passenger Side 8W0971659B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4F0959794E

Audi A6 C6 Rear Door Right O/S Module Unit Control ECU 4F0959794E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. H1BT-18C815-ZU

Ford Fiesta Mk8 Radio Audio Head Unit Sat Nav Module HIBT-18C815-ZU

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. P1WT-18D890-ZE

VW Volkswagen Amarok NF Stereo Audio Multimedia Radio Head Unit P1WT-18D890-ZE

€137.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7290727

Battery Cover BMW X1 F48 X2 F39 Mini Countryman F60 Upper Panel 7290727

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0055461040

Energy Distributor Mercedes W204 W212 W906 Power Block Control Unit A0055461040

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1Q0951171A

Volkswagen New Beetle Ultrasonic Alarm Sensor Module Unit 1Q0951171A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8983105040

Toyota Avensis T270 Front SRS Air Unit Module Impact Crash Sensor 8983105040

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3Q0907530C

Volkswagen Golf Mk7 Tiguan AD1 Gateway Control Module ECU 1.5 Petrol 3Q0907530C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4H0951253C-1

Volkswagen Polo 6R Tiguan 1T Multi Use Control Module Relay SET 4H0951253C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2749060400

Mercedes W204 W212 C207 M274 OM651 Starter Motor Engine Starter A2749060400

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9664738680-1

Peugeot 308 T7 1.6 5FW 120HP Engine Control Module ECU Kit 9664738680 Manual

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9381114

BMW F20 F21 F30 F31 F32 Mini F56 F57 Seat Control Unit Module Heating 9381114

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9358311

Mini F56 Door Wire Wiring Loom Cable Harness Front Right O/S 9358262

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L906018AB-4

Audi A3 8P CFFB 2.0 TDI 140HP Engine Control Unit Kit ECU 03L906018AB Manual

€156.95

Free delivery: Nov 12 – 13

If paid before 14:00

...

Showing 10297-10395 of 22939 products